Slewing Bearing, Slewing Ring, Slewing Circle manufacturer / supplier in China, offering 205-25-00023 Slewing Ring Bearing Komatsu Bearing Gear Teeth PC240-3, Excavator Gear Ring 74387-415 Excavator Nr 62 Slewing Bearing, Slewing Bearing Komatsu Swing Circle 206-25-11100 PC100r and so on.